11101406447 has 4 divisors (see below), whose sum is σ = 11310867000. Its totient is φ = 10891945896.

The previous prime is 11101406443. The next prime is 11101406479. The reversal of 11101406447 is 74460410111.

11101406447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11101406447 - 2² = 11101406443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101406441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104730197 + ... + 104730302.

It is an arithmetic number, because the mean of its divisors is an integer number (2827716750).

Almost surely, 2^11101406447 is an apocalyptic number.

11101406447 is a deficient number, since it is larger than the sum of its proper divisors (209460553).

11101406447 is an equidigital number, since it uses as much as digits as its factorization.

11101406447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209460552.

The product of its (nonzero) digits is 2688, while the sum is 29.

Adding to 11101406447 its reverse (74460410111), we get a palindrome (85561816558).

The spelling of 11101406447 in words is "eleven billion, one hundred one million, four hundred six thousand, four hundred forty-seven".